[MacPorts] #60125: cjdns build fails on Catalina

[MacPorts]

#60125: cjdns build fails on Catalina
------------------------+----------------------
  Reporter:  gigavinyl  |      Owner:  l2dy
      Type:  defect     |     Status:  reopened
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  cjdns      |
------------------------+----------------------

Comment (by l2dy):

 Replying to [comment:3 l4nn1312]:
 > Now I'm getting this error despite the fact I have xcode installed
 >
 > {{{
 > Error: You can install Xcode from the Mac App Store or
 https://developer.apple.com/xcode/
 > Error: Follow https://guide.macports.org/#project.tickets to report a
 bug.
 > Error: Processing of port cjdns failed
 > }}}

 Try `port clean cjdns && port selfupdate`. If it doesn't work, please
 upload the complete log.

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Ticket URL: <https://trac.macports.org/ticket/60125#comment:4>
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